Public Domain. Courtesy of Wikipedia.
Medusa, by Caravaggio 1597.
This oval oil on wood Medusa's head looks very much like an aegis.
Medusa's Head
From N.S. Gill, About.com
More on Medusa and Perseus
Greek Hero PerseusBulfinch - Graeae and Gorgons - Perseus - MedusaMedusa
More on Medusa
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